<div>
    <head_top :head="menu_top"></head_top>
    <div class="contaniner">
        <div class="sidebar">
            <menu_child :nav_data="menu_child"></menu_child>
        </div>
        <div class="main-content">
           <h1>首页</h1>
        </div>
    </div>
    <foot></foot>
</div>